Green Silver-Spangled Shark vs koala

Cucullia argentea compared with Phascolarctos cinereus

Key Differences

• Green Silver-Spangled Shark is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Green Silver-Spangled Shark	koala
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Mammalia (哺乳類)
Order	Lepidoptera (チョウ目)	Diprotodontia (カンガルー目)
Family	Noctuidae	Phascolarctidae (Koalas)
Genus	Cucullia	Phascolarctos (Koalas)
Species	Cucullia argentea	Phascolarctos cinereus

Evolutionary Relationship

Green Silver-Spangled Shark and koala share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Green Silver-Spangled Shark

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Green Silver-Spangled Shark	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。